emmetrope

例句：

1. 1. The emmetrope was able to adapt to the new environment.
   这个原生动物能够适应新环境。
2. 2. The scientist observed the emmetrope's behavior and made a note of it.
   科学家观察了这种原生动物的行为并做了记录。
3. 3.The emmetrope's shape is unique and fascinating.
   这种原生动物的形状独特且引人入胜。